Add default auth type configuration setting for Azure resources (#16999)

* Adding user config for default auth type

* adding feature

* removing the SqlLogin default from the model

* fixing bug, removing dead code

* removing unneeded instance of configurationService

* fixing line break

* removing extra parameter

* removing comments

* Fix test breaks

* Fix build break

* More breaks

* Address code review feedback

Co-authored-by: Troy Witthoeft <troy.witthoeft@gmail.com>

src/sql/platform/connection/common/connectionManagement.ts

@@ -218,6 +218,11 @@ export interface IConnectionManagementService {
 
 	getUniqueConnectionProvidersByNameMap(providerNameToDisplayNameMap: { [providerDisplayName: string]: string }): { [providerDisplayName: string]: string };
 
+	/**
+	 * Gets the default authentication type from the configuration service
+	 */
+	getDefaultAuthenticationTypeId(): string;
+
 	/**
 	 * Cancels the connection
 	 */

src/sql/platform/connection/common/constants.ts

@@ -21,6 +21,9 @@ export const defaultEngine = 'defaultEngine';
 
 export const passwordChars = '***************';
 
+/* default authentication type setting name*/
+export const defaultAuthenticationType = 'defaultAuthenticationType';
+
 /* authentication types */
 export const sqlLogin = 'SqlLogin';
 export const integrated = 'Integrated';